1. Department of Epidemiology, Biostatistics and Occupational Health McGill University Montreal Quebec Canada
2. Clinical Epidemiology Program Ottawa Hospital Research Institute Ottawa Ontario Canada
3. Department of Medicine University of Ottawa Ottawa Ontario Canada
4. Division of Pediatric Critical Care Medicine, Department of Pediatrics Université de Montréal Montreal Quebec Canada
5. Unité de recherche clinique appliquée (URCA) Université de Montréal, Centre de Recherche, CHU Sainte‐Justine Montreal Quebec Canada
6. Division of Pediatric Infectious Diseases, Department of Pediatrics McGill University Montreal Quebec Canada
7. Division of Pediatric Critical Care Medicine, Department of Pediatrics McGill University Montreal Quebec Canada